PR #85: Lock file maintenance

Agent Instructions

Click a suite to see its builds. Example suite for 59e61cf9 :

https://nix-ci.com/gh:sellout:yaya/refs%2Fpull%2F85%2Fmerge/59e61cf98da7603b81c115376cbda9a623750de5

For more instructions, fetch https://nix-ci.com/instructions .